]> git.madduck.net Git - etc/awesome.git/blobdiff - widgets/fs.lua

madduck's git repository

Every one of the projects in this repository is available at the canonical URL git://git.madduck.net/madduck/pub/<projectpath> — see each project's metadata for the exact URL.

All patches and comments are welcome. Please squash your changes to logical commits before using git-format-patch and git-send-email to patches@git.madduck.net. If you'd read over the Git project's submission guidelines and adhered to them, I'd be especially grateful.

SSH access, as well as push access can be individually arranged.

If you use my repositories frequently, consider adding the following snippet to ~/.gitconfig and using the third clone URL listed for each project:

[url "git://git.madduck.net/madduck/"]
  insteadOf = madduck:

fs: asynchronous: fs.show too
[etc/awesome.git] / widgets / fs.lua
index f9342487117ecf05b52c6085ebbfdf454019e653..d5dd49ad8ad3c30ab7112301d839e4d1bc44cbe5 100644 (file)
 
 --[[
-                                                      
-     Licensed under GNU General Public License v2     
-      * (c) 2013, Luke Bonham                         
-      * (c) 2010, Adrian C.      <anrxc@sysphere.org> 
-      * (c) 2009, Lucas de Vries <lucas@glacicle.com> 
-                                                      
+                                                  
+     Licensed under GNU General Public License v2 
+      * (c) 2013, Luke Bonham                     
+                                                  
 --]]
 
 local helpers      = require("lain.helpers")
 
+local shell        = require("awful.util").shell
 local beautiful    = require("beautiful")
+local focused      = require("awful.screen").focused
 local wibox        = require("wibox")
 local naughty      = require("naughty")
 
-local io           = io
-local pairs        = pairs
-local string       = { match  = string.match,
-                       format = string.format }
+local string       = string
 local tonumber     = tonumber
 
 local setmetatable = setmetatable
 
 -- File system disk space usage
 -- lain.widgets.fs
-local fs = { notification_preset = {} }
-local notification = nil
+local fs = {}
 
-function fs:hide()
-    if notification ~= nil then
-        naughty.destroy(notification)
-        notification = nil
-    end
+-- Unit definitions
+fs.unit = { ["mb"] = 1024, ["gb"] = 1024^2 }
+
+function fs.hide()
+    naughty.destroy(fs.notification)
+    fs.notification = nil
 end
 
-function fs:show(t_out)
-    fs:hide()
+function fs.show(seconds, scr)
+    fs.hide()
 
-    local f = io.popen(helpers.scripts_dir .. "dfs")
-    ws = f:read("*all"):gsub("\n*$", "")
-    f:close()
+    if fs.followtag then
+        fs.notification_preset.screen = focused()
+    elseif scr then
+        fs.notification_preset.screen = scr
+    end
 
-    notification = naughty.notify({
-        preset = fs.notification_preset,
-        text = ws,
-       timeout = t_out
-    })
-end
+    local cmd = (fs.options and string.format("dfs %s", fs.options)) or "dfs"
 
--- Units definitions
-local unit = { ["mb"] = 1024, ["gb"] = 1024^2 }
+    helpers.async(helpers.scripts_dir .. cmd, function(ws)
+        fs.notification = naughty.notify({
+            preset      = fs.notification_preset,
+            text        = ws:gsub("\n*$", ""),
+            timeout     = seconds or 5,
+        })
+    end)
+end
 
 local function worker(args)
-    local args      = args or {}
-    local partition = args.partition or "/"
-    local timeout   = args.timeout or 600
-    local settings  = args.settings or function() end
+    local args             = args or {}
+    local timeout          = args.timeout or 600
+    local partition        = args.partition or "/"
+    local showpopup        = args.showpopup or "on"
+    local notify           = args.notify or "on"
+    local settings         = args.settings or function() end
 
-    widget = wibox.widget.textbox('')
+    fs.options             = args.options
+    fs.followtag           = args.followtag or false
+    fs.notification_preset = args.notification_preset or { fg = beautiful.fg_normal }
 
-    helpers.set_map("fs", false)
+    fs.widget = wibox.widget.textbox()
 
-    function update()
-        fs_info = {} 
+    helpers.set_map(partition, false)
 
-        local f = io.popen("LC_ALL=C df -kP")
 
-        for line in f:lines() do -- Match: (size) (used)(avail)(use%) (mount)
-            local s     = string.match(line, "^.-[%s]([%d]+)")
-            local u,a,p = string.match(line, "([%d]+)[%D]+([%d]+)[%D]+([%d]+)%%")
-            local m     = string.match(line, "%%[%s]([%p%w]+)")
+    function update()
+        fs_info, fs_now  = {}, {}
+        helpers.async(string.format("%s -c 'LC_ALL=C df -k --output=target,size,used,avail,pcent'", shell), function(f)
+            for line in string.gmatch(f, "\n[^\n]+") do
+                local m,s,u,a,p = string.match(line, "(/.-%s).-(%d+).-(%d+).-(%d+).-([%d]+)%%")
+                m = m:gsub(" ", "") -- clean target from any whitespace
+
+                fs_info[m .. " size_mb"]  = string.format("%.1f", tonumber(s) / fs.unit["mb"])
+                fs_info[m .. " size_gb"]  = string.format("%.1f", tonumber(s) / fs.unit["gb"])
+                fs_info[m .. " used_mb"]  = string.format("%.1f", tonumber(u) / fs.unit["mb"])
+                fs_info[m .. " used_gb"]  = string.format("%.1f", tonumber(u) / fs.unit["gb"])
+                fs_info[m .. " used_p"]   = p
+                fs_info[m .. " avail_mb"] = string.format("%.1f", tonumber(a) / fs.unit["mb"])
+                fs_info[m .. " avail_gb"] = string.format("%.1f", tonumber(a) / fs.unit["gb"])
+                fs_info[m .. " avail_p"]  = string.format("%d", 100 - tonumber(p))
+            end
 
-            if u and m then -- Handle 1st line and broken regexp
-                fs_info[m .. " size_mb"]  = string.format("%.1f", tonumber(s) / unit["mb"])
-                fs_info[m .. " size_gb"]  = string.format("%.1f", tonumber(s) / unit["gb"])
-                fs_info[m .. " used_p"]   = tonumber(p)
-                fs_info[m .. " avail_p"]  = 100 - tonumber(p)
+            fs_now.size_mb      = fs_info[partition .. " size_mb"]  or "N/A"
+            fs_now.size_gb      = fs_info[partition .. " size_gb"]  or "N/A"
+            fs_now.used         = fs_info[partition .. " used_p"]   or "N/A"
+            fs_now.used_mb      = fs_info[partition .. " used_mb"]  or "N/A"
+            fs_now.used_gb      = fs_info[partition .. " used_gb"]  or "N/A"
+            fs_now.available    = fs_info[partition .. " avail_p"]  or "N/A"
+            fs_now.available_mb = fs_info[partition .. " avail_mb"] or "N/A"
+            fs_now.available_gb = fs_info[partition .. " avail_gb"] or "N/A"
+
+            notification_preset = fs.notification_preset
+            widget = fs.widget
+            settings()
+
+            if notify == "on" and fs_now.used >= 99 and not helpers.get_map(partition) then
+                naughty.notify({
+                    title   = "warning",
+                    text    = partition .. " is empty!",
+                    timeout = 8,
+                    fg      = "#000000",
+                    bg      = "#FFFFFF"
+                })
+                helpers.set_map(partition, true)
+            else
+                helpers.set_map(partition, false)
             end
-        end
-
-        f:close()
-
-        -- chosen partition easy stuff
-        -- you can however check whatever partition else
-        used = fs_info[partition .. " used_p"]
-        available = fs_info[partition .. " avail_p"]
-        size_mb = fs_info[partition .. " size_mb"]
-        size_gb = fs_info[partition .. " size_gb"]
-
-        notification_preset = { fg = beautiful.fg_normal }
-
-        settings()
-
-        fs.notification_preset = notification_preset
-
-        if used >= 99 and not helpers.get_map("fs")
-        then
-            naughty.notify({ 
-                title = "warning",
-                text = partition .. " ran out!\nmake some room",
-                timeout = 8,
-                fg = "#000000",
-                bg = "#FFFFFF"
-            })
-            helpers.set_map("fs", true)
-        else
-            helpers.set_map("fs", false)
-        end
+        end)
     end
 
-    helpers.newtimer("fs " .. partition, timeout, update)
-
-    widget:connect_signal('mouse::enter', function () fs:show(0) end)
-    widget:connect_signal('mouse::leave', function () fs:hide() end)
+    if showpopup == "on" then
+       fs.widget:connect_signal('mouse::enter', function () fs.show(0) end)
+       fs.widget:connect_signal('mouse::leave', function () fs.hide() end)
+    end
 
-    output = {
-        widget = widget,
-        show = function(t_out)
-                   update()
-                   fs:show(t_out)
-               end
-    }
+    helpers.newtimer(partition, timeout, update)
 
-    return setmetatable(output, { __index = output.widget })
+    return setmetatable(fs, { __index = fs.widget })
 end
 
 return setmetatable(fs, { __call = function(_, ...) return worker(...) end })